DE69225139T2 - Verfahren zur herstellung von starken diskontinuierlichen fibrillen - Google Patents
Verfahren zur herstellung von starken diskontinuierlichen fibrillenInfo
- Publication number
- DE69225139T2 DE69225139T2 DE69225139T DE69225139T DE69225139T2 DE 69225139 T2 DE69225139 T2 DE 69225139T2 DE 69225139 T DE69225139 T DE 69225139T DE 69225139 T DE69225139 T DE 69225139T DE 69225139 T2 DE69225139 T2 DE 69225139T2
- Authority
- DE
- Germany
- Prior art keywords
- polymer solution
- gaseous fluid
- chamber
- polymer
- spinneret
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Revoked
Links
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229920000642 polymer Polymers 0.000 claims description 102
- 239000012530 fluid Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 29
- 238000009987 spinning Methods 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229920001903 high density polyethylene Polymers 0.000 claims description 18
- 239000004700 high-density polyethylene Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229920005594 polymer fiber Polymers 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 81
- 239000011159 matrix material Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 238000013467 fragmentation Methods 0.000 description 8
- 238000006062 fragmentation reaction Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 8
- 239000010408 film Substances 0.000 description 6
- 239000004751 flashspun nonwoven Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 229920001474 Flashspun fabric Polymers 0.000 description 3
- 239000004775 Tyvek Substances 0.000 description 3
- 229920000690 Tyvek Polymers 0.000 description 3
- 238000010960 commercial process Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229940029284 trichlorofluoromethane Drugs 0.000 description 3
- PDBXHPORMXSXKO-UHFFFAOYSA-N 8-benzyl-7-[2-[ethyl(2-hydroxyethyl)amino]ethyl]-1,3-dimethylpurine-2,6-dione;hydron;chloride Chemical compound Cl.N=1C=2N(C)C(=O)N(C)C(=O)C=2N(CCN(CCO)CC)C=1CC1=CC=CC=C1 PDBXHPORMXSXKO-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/11—Flash-spinning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/762,095 US5279776A (en) | 1991-09-17 | 1991-09-17 | Method for making strong discrete fibers |
| PCT/US1992/007399 WO1993006265A1 (en) | 1991-09-17 | 1992-09-09 | Method for making strong discrete fibers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69225139D1 DE69225139D1 (de) | 1998-05-20 |
| DE69225139T2 true DE69225139T2 (de) | 1998-12-03 |
Family
ID=25064112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69225139T Revoked DE69225139T2 (de) | 1991-09-17 | 1992-09-09 | Verfahren zur herstellung von starken diskontinuierlichen fibrillen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5279776A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0604513B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH07501857A (cg-RX-API-DMAC7.html) |
| KR (1) | KR100208113B1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2118903A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE69225139T2 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2114947T3 (cg-RX-API-DMAC7.html) |
| TW (1) | TW218398B (cg-RX-API-DMAC7.html) |
| WO (1) | WO1993006265A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9223563D0 (en) * | 1992-11-10 | 1992-12-23 | Du Pont Canada | Flash spinning process for forming strong discontinuous fibres |
| US6136911A (en) * | 1996-01-11 | 2000-10-24 | E.I. Du Pont De Nemours And Company | Fibers flash-spun from partially fluorinated polymers |
| US5723084A (en) * | 1996-03-08 | 1998-03-03 | E. I. Du Pont De Nemours And Company | Flash spinning process |
| US5788993A (en) * | 1996-06-27 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Spinneret with slotted outlet |
| JP3891497B2 (ja) | 1997-01-09 | 2007-03-14 | イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー | 完全にハロゲン化された重合体からフラッシュ紡糸された繊維 |
| US6200120B1 (en) | 1997-12-31 | 2001-03-13 | Kimberly-Clark Worldwide, Inc. | Die head assembly, apparatus, and process for meltblowing a fiberforming thermoplastic polymer |
| US6270709B1 (en) | 1998-12-15 | 2001-08-07 | E. I. Du Pont De Nemours And Company | Flash spinning polymethylpentene process and product |
| US20040032041A1 (en) * | 2000-12-14 | 2004-02-19 | Hyunkook Shin | Flash spinning polycyclopentene |
| WO2003000970A1 (en) * | 2001-06-05 | 2003-01-03 | Conoco, Inc. | Polyfilamentary carbon fibers and a flash spinning processor producing the fibers |
| TWI238214B (en) * | 2001-11-16 | 2005-08-21 | Du Pont | Method of producing micropulp and micropulp made therefrom |
| US20050003035A1 (en) * | 2003-04-11 | 2005-01-06 | Jerry Zucker | Method for forming polymer materials utilizing modular die units |
| CA3021863A1 (en) | 2016-04-25 | 2017-11-02 | Cytec Industries Inc. | Spinneret assembly for spinning polymeric fibers |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3081519A (en) * | 1962-01-31 | 1963-03-19 | Fibrillated strand | |
| NL300881A (cg-RX-API-DMAC7.html) * | 1962-11-23 | |||
| US4025593A (en) * | 1971-08-06 | 1977-05-24 | Solvay & Cie | Fabrication of discontinuous fibrils |
| BE787033A (cg-RX-API-DMAC7.html) * | 1971-08-06 | 1973-02-01 | Solvay | |
| BE795841A (fr) * | 1972-02-25 | 1973-08-23 | Montedison Spa | Procede de preparation de fibres a partir de matieres polymeres, convenant a la preparation de pulpe de papier |
| US3920509A (en) * | 1972-10-05 | 1975-11-18 | Hayato Yonemori | Process of making polyolefin fibers |
| US4211737A (en) * | 1974-11-19 | 1980-07-08 | Montedison S.P.A. | Process for producing synthetic fibers for use in paper-making |
| IT1054323B (it) * | 1975-11-11 | 1981-11-10 | Montedison Spa | Procedimento di preparazione di fibrille per carta da soluzioni o di spersioni di polipropilene in n esano |
| IT1087746B (it) * | 1977-10-12 | 1985-06-04 | Montedison Spa | Dispositivo per la preparazione di materiale fibroso atto alla fabbricazione di carta sintetica |
| US4352650A (en) * | 1981-03-24 | 1982-10-05 | E. I. Du Pont De Nemours And Company | Nozzle for flash-extrusion apparatus |
| DE3308626C2 (de) * | 1983-03-11 | 1986-02-20 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Fibriden aus thermoplastischen Kunststoffen |
| EP0361684B1 (en) * | 1988-08-30 | 1993-10-13 | E.I. Du Pont De Nemours And Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US4963298A (en) * | 1989-02-01 | 1990-10-16 | E. I. Du Pont De Nemours And Company | Process for preparing fiber, rovings and mats from lyotropic liquid crystalline polymers |
-
1991
- 1991-09-17 US US07/762,095 patent/US5279776A/en not_active Expired - Lifetime
-
1992
- 1992-08-11 TW TW081106344A patent/TW218398B/zh active
- 1992-09-09 ES ES92919656T patent/ES2114947T3/es not_active Expired - Lifetime
- 1992-09-09 EP EP92919656A patent/EP0604513B1/en not_active Revoked
- 1992-09-09 JP JP5506063A patent/JPH07501857A/ja active Pending
- 1992-09-09 WO PCT/US1992/007399 patent/WO1993006265A1/en not_active Ceased
- 1992-09-09 DE DE69225139T patent/DE69225139T2/de not_active Revoked
- 1992-09-09 KR KR1019940700852A patent/KR100208113B1/ko not_active Expired - Fee Related
- 1992-09-09 CA CA002118903A patent/CA2118903A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07501857A (ja) | 1995-02-23 |
| KR100208113B1 (ko) | 1999-07-15 |
| ES2114947T3 (es) | 1998-06-16 |
| EP0604513B1 (en) | 1998-04-15 |
| CA2118903A1 (en) | 1993-04-01 |
| EP0604513A1 (en) | 1994-07-06 |
| US5279776A (en) | 1994-01-18 |
| TW218398B (cg-RX-API-DMAC7.html) | 1994-01-01 |
| DE69225139D1 (de) | 1998-05-20 |
| WO1993006265A1 (en) | 1993-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |